<template>
  <div>
    <table border="1" width="700" style="border-collapse: collapse">
      <caption>
        购物车
      </caption>
      <thead>
        <tr>
          <th><input type="checkbox" v-model="bool" @click="btn" /> <span>全选</span></th>
          <th>名称</th>
          <th>价格</th>
          <th>数量</th>
          <th>总价</th>
          <th>操作</th>
        </tr>
      </thead>
      <tbody>
        <Shopping
          v-for="item in goodList"
          :key="item.name"
          :name="item.name"
          :price="item.price"
          :num="item.num"
          :checked="item.checked"
          @del="onDel"
          @check="ckd"
        />
      </tbody>
      <tfoot>
        <tr>
          <td>合计:</td>
          <td colspan="5"></td>
        </tr>
      </tfoot>
    </table>
  </div>
</template>

<script>
import Shopping from './components/Shopping'
export default {
  components: { Shopping },
  data () {
    return {
      goodList: [
        {
          name: '诸葛亮',
          price: 1000,
          num: 1,
          checked: false
        },
        {
          name: '蔡文姬',
          price: 1500,
          num: 1,
          checked: false
        },
        {
          name: '妲己',
          price: 2000,
          num: 1,
          checked: false
        },
        {
          name: '鲁班',
          price: 2200,
          num: 1,
          checked: false
        }
      ],
      bool: false
    }
  },
  methods: {
    onDel (e) {
      const index = this.goodList.findIndex(item => item.name === e)
      this.goodList.splice(index, 1)
    },
    ckd (e, e1) {
      const index = this.goodList.findIndex(item => item.name === e)
      // console.log(index)
      this.goodList[index].checked = e1
      this.bool = this.goodList.every(item => item.checked)
    },
    btn () {
      this.goodList.forEach(item => item.checked === this.bool)
    }

  }

}
</script>

<style></style>
